What common everyday thing is important for cloud formation? A. Dew on flowers
B. Dust acting as grains
C. Oceans having big waves
D. Greenhouse gases and sunlight
E. Birds flapping their wings
F. Rain formation

How many moles of magnesium is 3.01 x10^22 atoms of magnesium?

In what way do investigations build scientific knowledge? the results of investigations lead to questions that cannot be tested. they reflect the opinions and social values of scientists, ensuring valid information. the results of investigations lead to new questions, which lead to new investigations. they are not influenced by the research of earlier scientists, so they are able to address gaps in understanding.i

Awhite powder is added to a solution. the images show observations made before the powder is added, just after the powder has been added, and a little while later. (the liquid in the small beaker is phenol red solution.) what evidence shows that a chemical change has taken place?